const path = require('path')
const webpack = require('webpack')
const packageJson = require('./package.json')
const GitRevisionPlugin = require('git-revision-webpack-plugin')
const GitRevision = new GitRevisionPlugin()
const buildDate = JSON.stringify(new Date().toLocaleString())
const createThemeColorReplacerPlugin = require('./config/plugin.config')

function resolve(dir) {
    return path.join(__dirname, dir)
}

// check Git
function getGitHash() {
    try {
        return GitRevision.version()
    } catch (e) {}
    return 'unknown'
}
// eslint-disable-next-line no-unused-vars
const isProd = process.env.NODE_ENV === 'production'
    // eslint-disable-next-line no-unused-vars
const assetsCDN = {
    // webpack build externals
    externals: {
        vue: 'Vue',
        'vue-router': 'VueRouter',
        vuex: 'Vuex',
        axios: 'axios'
    },
    css: [],
    // https://unpkg.com/browse/vue@2.6.10/
    js: [
        '//cdn.jsdelivr.net/npm/vue@2.6.14/dist/vue.min.js',
        '//cdn.jsdelivr.net/npm/vue-router@3.5.1/dist/vue-router.min.js',
        '//cdn.jsdelivr.net/npm/vuex@3.1.1/dist/vuex.min.js',
        '//cdn.jsdelivr.net/npm/axios@0.21.1/dist/axios.min.js'
    ]
}

// vue.config.js
const vueConfig = {
    configureWebpack: {
        // webpack plugins
        plugins: [
                // Ignore all locale files of moment.js
                new webpack.IgnorePlugin({
                    contextRegExp: /^\.\/locale$/,
                    resourceRegExp: /moment$/
                }),
                new webpack.DefinePlugin({
                    APP_VERSION: `"${packageJson.version}"`,
                    GIT_HASH: JSON.stringify(getGitHash()),
                    BUILD_DATE: buildDate
                })
            ]
            // en_US: `if prod, add externals`
            // zh_CN: `这里是用来控制编译忽略外部依赖的，与 config.plugin('html') 配合可以编译时引入外部CDN文件依赖`
            // externals: isProd ? assetsCDN.externals : {}
    },

    chainWebpack: config => {
        config.resolve.alias.set('@$', resolve('src'))

        // const svgRule = config.module.rule('svg')
        // svgRule.uses.clear()
        // svgRule
        //   .oneOf('inline')
        //   .resourceQuery(/inline/)
        //   .use('vue-svg-icon-loader')
        //   .loader('vue-svg-icon-loader')
        //   .end()
        //   .end()
        //   .oneOf('external')
        //   .use('file-loader')
        //   .loader('file-loader')
        //   .options({
        //     name: 'assets/[name].[hash:8].[ext]',
        //     esModule: false
        //   })

        // en_US: If prod is on assets require on cdn
        // zh_CN: 如果是 prod 模式，则引入 CDN 依赖文件，有需要减少包大小请自行解除依赖
        //
        // if (isProd) {
        //   config.plugin('html').tap(args => {
        //     args[0].cdn = assetsCDN
        //     return args
        //   })
        // }
    },
    lintOnSave: false,
    css: {
        loaderOptions: {
            less: {
                modifyVars: {
                    // less vars，customize ant design theme

                    // 'primary-color': '#F5222D',
                    // 'link-color': '#F5222D',
                    'border-radius-base': '2px'
                },
                // DO NOT REMOVE THIS LINE
                javascriptEnabled: true
            }
        }
    },

    devServer: {
        // development server port 8000
        port: 8000
            // If you want to turn on the proxy, please remove the mockjs /src/main.jsL11
            // proxy: {
            //   '/api': {
            //     target: 'https://mock.ihx.me/mock/5baf3052f7da7e07e04a5116/antd-pro',
            //     ws: false,
            //     changeOrigin: true
            //   }
            // }
    },

    // disable source map in production
    productionSourceMap: false,
    // babel-loader no-ignore node_modules/*
    transpileDependencies: []
}

// preview.pro.loacg.com only do not use in your production;
if (process.env.VUE_APP_PREVIEW === 'true') {
    // add `ThemeColorReplacer` plugin to webpack plugins
    vueConfig.configureWebpack.plugins.push(createThemeColorReplacerPlugin())
}

module.exports = vueConfig